What are you looking for?
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User Manuals
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FAQ Invoice Portal
- How can I cancel or delete an invoice?
- Where is my data stored?
- Is my e-invoice secure?
- Will my attachment be lost if the invoice is converted into an XML invoice?
- I want to download my invoice as an XML file, but nothing is happening?
- Can I edit uploaded e-invoices?
- Why is my shipment status not updated?
- How can I cancel an invoice?
- I want to download my invoice as an XML file, but nothing is happening?
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FAQ Peppol
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FAQ e-invoices
- What is an electronic invoice?
- What are the legal retention periods for private and business documents?
- Comparison of energy costs and environmental friendliness between an electronic and a paper bill
- How many decimals can I put in the invoice?
- Invoice Document Types
- Peppol BIS Self-Billing
- German Electronic Business Address Format Specification for Electronic Business Transactions in Germany
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Invoicing Requirements
Mandatory and Optional Fields in the Invoice Portal for Greek e-Invoicing
This document outlines where mandatory and optional fields for submitting electronic invoices to Greek Contracting Authorities are located within the Invoice Portal application. It provides guidance on where users can enter required fields, such as BT-11 (Project Reference), BT-12 (Contract Reference), and other fields necessary to comply with the Greek invoicing standards under the Peppol network.
